Basic definitions - 1.3 0.0 / 5 ? ChemistryFormula. equations and amount of substanceASEdexcel Created by: Julius CeaserCreated on: 30-08-16 14:07 smallest unit of an element ATOM 1 of 7 substance composed of only one type of atom ELEMENT 2 of 7 an electrostatically charged atom ION 3 of 7 atoms of different types covalently bonded together MOLECULE 4 of 7 atoms of different types chemically bonded together COMPOUND 5 of 7 the simplest ratio between atoms in a substance EMPIRICAL FORMULA 6 of 7 the actual number of atoms in a substance MOLECULAR FORMULA 7 of 7
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